/*********** common ************/
*{
  margin: 0;
  padding: 0;
}
ul,li{
  list-style: none;
}
a{
  text-decoration: none;
}
img{
  border:0;
}
h1,h2,h3,h4,h5,h6{
  font-weight: normal;
}
div:after{
  content: '.';
  height: 0;
  display: block;
  overflow: hidden;
  visibility: hidden;
  clear: both;
}
.container:after{
  content: '.';
  height: 0;
  display: block;
  overflow: hidden;
  visibility: hidden;
  clear: both;
}